Seiko Cal. 6657 - 367

The Seiko 6657-367 represents an important milestone in Seiko's 1982 lineup. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-d1bb1cc9c1c8]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1982

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